RahXephon Interlude: Her and Herself/Thatness and Thereness

Description:

Quon Kisaragi was surprised when she saw an illusion of herself floating in midair. This other "self" of her claimed that she is a fragment of Quon. Thus an existentialistic dialogue began between the two.
(Source: ANN)
OVA side story bundled with the RahXephon Special Edition game for the Sony PlayStation 2.